HD74ACT161 Datasheet, PDF (8/14 Pages) Hitachi Semiconductor – Synchronous Presettable Binary Counter

HD74ACT161/HD74ACT163
AC Characteristics: HD74ACT163
Item
Maximum count
frequency
Symbol V_CC (V)*¹
f _max
5.0
Ta = +25°C
C_L = 50 pF
Min Typ
120 128
Propagation delay
t _PLH
5.0
CP to Q_n (PE Input
HIGH or LOW)
1.0
5.5
Propagation delay
t _PHL
5.0
CP to Q_n (PE Input
HIGH or LOW)
1.0
6.0
Propagation delay
t _PLH
5.0
CP to TC
1.0
7.0
Propagation delay
t _PHL
5.0
CP to TC
1.0
8.0
Propagation delay
t _PLH
5.0
CET to TC
1.0
5.5
Propagation delay
t _PHL
5.0
CET to TC
1.0
6.0
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
Max
—
10.0
11.0
11.5
13.5
9.0
10.0
Ta = –40°C to +85°C
C_L = 50 pF
Min
Max
105
—
Unit
MHz
1.0
11.0
ns
1.0
12.0
ns
1.0
13.5
ns
1.0
15.0
ns
1.0
10.5
ns
1.0
11.0
ns
8